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Common star 15 EP

HD 24678

RA 59.6229° · Dec 58.6194° · star

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Score breakdown

· 4 badges
15 pts · Common
Common 22 pts → Uncommon
  • Subgiant (leaving the main sequence) +5
  • Never sets (northern circumpolar) +4
  • Star +3
  • Yellow-white F-type star +3
Total score 15

7 more points to reach Uncommon.

Badges

  • Star · +3
  • Never sets (northern circumpolar) · +4
  • Yellow-white F-type star · +3
  • Subgiant (leaving the main sequence) · +5

Trivia

What it actually is

  • Spectral class. Its spectrum reads F8IV — an F-type star — a little hotter, whiter and shorter-lived than the Sun.
  • Where it is in life. It is a subgiant, caught in the act of leaving the main sequence as the hydrogen in its core runs out.

Sense of scale

  • In perspective. Far away by human standards, yet still a local address inside the Milky Way's spiral arms.

Find it in the sky

  • How to spot it. At magnitude 8.3 it is just past naked-eye reach — ordinary binoculars will pull it in, over in Camelopardalis.
  • Northern sky. It rides the northern half of the sky — an easier target the further north you are.
  • Best time of year. It stands highest in the middle of the night around November — that's when to go looking.

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Getting there

  • Aboard Voyager 1. ≈ 6.7 million years at Voyager 1's speed (17 km/s).

Properties

absmag
2.977
bv
0.537
constellation
Cam
dist ly
383.7131
luminosity
5.6131
mag
8.33
name
HD 24678
spect
F8IV

About HD 24678

HD 24678 is a common star. It lies about 383.7 light-years from Earth, sits in the constellation Cam, shines at apparent magnitude 8.33 and has spectral type F8IV.

Its spectrum reads F8IV — an F-type star — a little hotter, whiter and shorter-lived than the Sun.

How to see it

Look for HD 24678 in the constellation Cam. At apparent magnitude 8.33, it is an easy target for binoculars.

Like any astronomical target, HD 24678 is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why HD 24678 is a common star

HD 24678 scores 15 points on Spacedle's rarity scale, which places it in the common tier. Another 7 points would lift it into a rarer tier.

That score comes from 4 science badges — Star, Never sets (northern circumpolar), Yellow-white F-type star and Subgiant (leaving the main sequence) — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.